28737800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1579}}^1$

素因数の和:1615

約数の個数: 96

約数和(自身を含む): 82286400

約数和(自身を除く): 53548600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 91, 100, 104, 130, 140, 175, 182, 200, 260, 280, 325, 350, 364, 455, 520, 650, 700, 728, 910, 1300, 1400, 1579, 1820, 2275, 2600, 3158, 3640, 4550, 6316, 7895, 9100, 11053, 12632, 15790, 18200, 20527, 22106, 31580, 39475, 41054, 44212, 55265, 63160, 78950, 82108, 88424, 102635, 110530, 143689, 157900, 164216, 205270, 221060, 276325, 287378, 315800, 410540, 442120, 513175, 552650, 574756, 718445, 821080, 1026350, 1105300, 1149512, 1436890, 2052700, 2210600, 2873780, 3592225, 4105400, 5747560, 7184450, 14368900, 28737800]

約数ペア:

[(1, 28737800), (2, 14368900), (4, 7184450), (5, 5747560), (7, 4105400), (8, 3592225), (10, 2873780), (13, 2210600), (14, 2052700), (20, 1436890), (25, 1149512), (26, 1105300), (28, 1026350), (35, 821080), (40, 718445), (50, 574756), (52, 552650), (56, 513175), (65, 442120), (70, 410540), (91, 315800), (100, 287378), (104, 276325), (130, 221060), (140, 205270), (175, 164216), (182, 157900), (200, 143689), (260, 110530), (280, 102635), (325, 88424), (350, 82108), (364, 78950), (455, 63160), (520, 55265), (650, 44212), (700, 41054), (728, 39475), (910, 31580), (1300, 22106), (1400, 20527), (1579, 18200), (1820, 15790), (2275, 12632), (2600, 11053), (3158, 9100), (3640, 7895), (4550, 6316)]